51287665

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6521}}^1$

素因数の和:6561

約数の個数: 24

約数和(自身を含む): 72863784

約数和(自身を除く): 21576119

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 6521, 7865, 32605, 71731, 84773, 358655, 423865, 789041, 932503, 3945205, 4662515, 10257533, 51287665]

約数ペア:

[(1, 51287665), (5, 10257533), (11, 4662515), (13, 3945205), (55, 932503), (65, 789041), (121, 423865), (143, 358655), (605, 84773), (715, 71731), (1573, 32605), (6521, 7865)]